/*
Error: Undefined mixin 'max_body'.
        on line 2 of E:/Workspace/zupu/scss/header.scss, in `max_body'
        from line 2 of E:/Workspace/zupu/scss/header.scss

1: header{
2:   @include max_body;
3:   @include clearfix;
4:   height: 110px;
5: }

Backtrace:
E:/Workspace/zupu/scss/header.scss:2:in `max_body'
E:/Workspace/zupu/scss/header.scss:2
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:349:in `block in visit_mixin'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:98:in `block in with_mixin'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:115:in `with_frame'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:98:in `with_mixin'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:347:in `visit_mixin'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/base.rb:36:in `visit'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:158:in `block in visit'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:79:in `block in with_base'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:115:in `with_frame'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:79:in `with_base'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:158:in `visit'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:431:in `block (2 levels) in visit_rule'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:431:in `map'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:431:in `block in visit_rule'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:179:in `with_environment'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:429:in `visit_rule'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/base.rb:36:in `visit'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:158:in `block in visit'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:79:in `block in with_base'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:115:in `with_frame'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:79:in `with_base'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:158:in `visit'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/base.rb:52:in `block in visit_children'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/base.rb:52:in `map'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/base.rb:52:in `visit_children'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:167:in `block in visit_children'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:179:in `with_environment'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:166:in `visit_children'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/base.rb:36:in `block in visit'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:186:in `visit_root'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/base.rb:36:in `visit'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:157:in `visit'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:8:in `visit'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/root_node.rb:36:in `css_tree'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/root_node.rb:20:in `render'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/engine.rb:278:in `render'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-import-once-1.0.5/lib/compass/import-once/engine.rb:17:in `block in render'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-import-once-1.0.5/lib/compass/import-once/engine.rb:29:in `with_import_scope'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-import-once-1.0.5/lib/compass/import-once/engine.rb:16:in `render'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/plugin/compiler.rb:492:in `update_stylesheet'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/plugin/compiler.rb:215:in `block in update_stylesheets'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/plugin/compiler.rb:209:in `each'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/plugin/compiler.rb:209:in `update_stylesheets'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-1.0.3/lib/compass/sass_compiler.rb:40:in `compile!'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-1.0.3/lib/compass/commands/update_project.rb:49:in `perform'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-1.0.3/lib/compass/commands/base.rb:18:in `execute'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-1.0.3/lib/compass/commands/project_base.rb:19:in `execute'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-1.0.3/lib/compass/exec/sub_command_ui.rb:43:in `perform!'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-1.0.3/lib/compass/exec/sub_command_ui.rb:15:in `run!'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-1.0.3/bin/compass:30:in `block in <top (required)>'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-1.0.3/bin/compass:44:in `call'
D:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-1.0.3/bin/compass:44:in `<top (required)>'
D:/Ruby22-x64/bin/compass:23:in `load'
D:/Ruby22-x64/bin/compass:23:in `<main>'
*/
body:before {
  white-space: pre;
  font-family: monospace;
  content: "Error: Undefined mixin 'max_body'.\A         on line 2 of E:/Workspace/zupu/scss/header.scss, in `max_body'\A         from line 2 of E:/Workspace/zupu/scss/header.scss\A \A 1: header{\A 2:   @include max_body;\A 3:   @include clearfix;\A 4:   height: 110px;\A 5: }"; }
